The function f(x) = x2 − 5 is defined over the interval [0, 5]. If the interval is divided into n equal parts, what is the area of the kth rectangle from the right?
A) [(2+k(5/n))^2+5](5/n)
B) [(k(3/n))^2−5](5/n)
C) [(k(5/n))^2+5](5/n)
D) [(k(3/n))^2+3](5/n)
E) [(k(5/n))^2−5](5/n)
2 answers